Located in Campbell, Wyoming, the Bates dam on Bates Creek serves primarily for irrigation purposes. Completed in 1952, this earth dam stands at 30 feet tall and has a hydraulic height of 25 feet. With a normal storage capacity of 130 acre-feet and a maximum storage of 206 acre-feet, the dam covers a surface area of 13 acres and has a spillway width of 150 feet.

Despite its low hazard potential, the Bates dam is currently assessed as being in poor condition as of the last inspection in July 2019. The inspection frequency is set at 5 years, indicating a need for regular monitoring and maintenance to ensure the safety and integrity of the structure. The risk assessment for the dam is moderate, with potential management measures yet to be specified.

Water resource and climate enthusiasts interested in the Bates dam's impact on the local ecosystem and water supply in Powder River, MT, may find this information valuable for understanding the infrastructure's role in water management and irrigation practices in the region. The dam is under state jurisdiction and regulation, with permitting, inspection, and enforcement mechanisms in place to ensure compliance with safety standards and environmental protections.